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VMB4DC 4-channel dimmer controller module user manual – version 3 5

VELBUS CHARACTERISTICS

• 2-wire communication for Velbus data and 2 wires for power

• data transfer: 16.6 kbit/s

• serial data protocol: CAN (Controller Area Network)

• short-circuit proof (towards (-) or (+) of power)

• bus error indication: 2 short blinks of the operation mode LED

• self-restoring after 25 seconds in case of a bus error

Possibility to assign a name (max. 16 characters) to each output channel.

The dimmer controller module can send following messages:

• dimmer status

• dimmer controlling module type (with software version)

• dimmer names

• communication error counter

• memory capacity

The dimmer controller module can send following commands:

• switch off LEDs on a control module

• switch on LEDs on a control module

• slow or fast blinking of the LEDs on a control module

The dimmer controller module can receive following messages:

• pushbutton module status

• fader status

The dimmer controller module can receive following commands:

• dimmer value setting

• to last-used dimming level

• stop dimming

• timer start

• recall dimmer status

• recall module type and software version

• recall communication error counter

• recall dimmer names

• recall memory contents

• overwrite memory contents

• switch off pushbutton indication LED

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Velleman VMB4DC Manual do Utilizador Página 5